[Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/frame/Location.h

Index: third_party/WebKit/Source/core/frame/Location.h
diff --git a/third_party/WebKit/Source/core/frame/Location.h b/third_party/WebKit/Source/core/frame/Location.h
index 6c6b79cdfcdd74fee549d395c63aad13535c69ee..709903188c34dd40561604d2f310afc1e0c115f2 100644
--- a/third_party/WebKit/Source/core/frame/Location.h
+++ b/third_party/WebKit/Source/core/frame/Location.h
@@ -57,8 +57,8 @@ public:
         return adoptRefWillBeNoop(new Location(frame));
     }
 
-    Frame* frame() const { return m_frame.get(); }
-    void reset() { m_frame = nullptr; }
+    Frame* frame() const;
+    void reset();
 
     void setHref(LocalDOMWindow* callingWindow, LocalDOMWindow* enteredWindow, const String&);
     String href() const;